Home / 3,911,373.74-5,867,901.90-1,317,936.60

Finding the Fourth Proportional to 3,911,373.74, 5,867,901.90 and 1,317,936.60

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Solution

The fourth proportional to 3,911,373.74, 5,867,901.90 and 1,317,936.60 is: 1,977,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,373.74 : 5,867,901.90 = 1,317,936.60 : x
  2. Step 2: Convert to fraction form
    3,911,373.74/5,867,901.90 = 1,317,936.60/x
  3. Step 3: Cross multiply
    3,911,373.74x = 5,867,901.90 × 1,317,936.60
  4. Step 4: Simplify right side
    3,911,373.74x = 7,733,522,679,219.54
  5. Step 5: Solve for x
    x = 7,733,522,679,219.54/3,911,373.74
  6. Step 6: Final answer
    x = 1,977,188.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.